diff --git a/csci571/hw9/backend/package-lock.json b/csci571/hw9/backend/package-lock.json
index 765b0ff..6d5e36a 100644
--- a/csci571/hw9/backend/package-lock.json
+++ b/csci571/hw9/backend/package-lock.json
@@ -493,16 +493,16 @@
       }
     },
     "moment": {
-      "version": "2.19.2",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.19.2.tgz",
-      "integrity": "sha512-Rf6jiHPEfxp9+dlzxPTmRHbvoFXsh2L/U8hOupUMpnuecHQmI6cF6lUbJl3QqKPko1u6ujO+FxtcajLVfLpAtA=="
+      "version": "2.29.4",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
+      "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w=="
     },
     "moment-timezone": {
-      "version": "0.5.14",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.14.tgz",
-      "integrity": "sha1-TrOP+VOLgBCLpGekWPPtQmjM/LE=",
+      "version": "0.5.35",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.35.tgz",
+      "integrity": "sha512-cY/pBOEXepQvlgli06ttCTKcIf8cD1nmNwOKQQAdHBqYApQSpAqotBMX0RJZNgMp6i0PlZuf1mFtnlyEkwyvFw==",
       "requires": {
-        "moment": "2.19.2"
+        "moment": ">= 2.9.0"
       }
     },
     "morgan": {
diff --git a/csci571/hw9/backend/package.json b/csci571/hw9/backend/package.json
index cc03ff7..0303e68 100644
--- a/csci571/hw9/backend/package.json
+++ b/csci571/hw9/backend/package.json
@@ -13,7 +13,7 @@
     "body-parser": "^1.18.2",
     "express": "^4.16.2",
     "follow-redirects": "^1.2.6",
-    "moment-timezone": "^0.5.14",
+    "moment-timezone": "^0.5.35",
     "morgan": "^1.9.0",
     "path": "^0.12.7",
     "querystring": "^0.2.0",